Optimized adaptive AMBTC

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Original languageEnglish
Article number413594
Pages (from-to)371-374
Journal / PublicationProceedings - International Conference on Image Processing, ICIP
Volume2
Publication statusPublished - 1994

Conference

TitleProceedings of the 1994 1st IEEE International Conference on Image Processing. Part 3 (of 3)
CityAustin, TX, USA
Period13 - 16 November 1994

Abstract

An adaptive, multi-level absolute moment block truncation coding (AMBTC) is optimized with DRT and CAO to yield near perfect visual quality. The AMBTC will adapt to the signal variance and switch the output from 1 to 4 levels. The thresholds for 2- and 4-level are optimized by dynamic range tuning (DRT) while those of 3-level by central aggregate optimization (CAO). This optimized coding system eliminates the blockiness and the jagged edge artifact completely. The performance also leads the closest by a great margin.

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